Explain and support the database schema with relevant arguments that support the rationale for the structure.Explain your rationale behind the design of your DFD.

USE attached business requirement document and Gnatt chart for reference.

Section 1: Design Document

1. Write a five to ten  page design document in which you:

a. Create a database schema that supports the company’s business and processes.

b. Explain and support the database schema with relevant arguments that support the rationale for the structure.

c. Create database tables with appropriate field-naming conventions. Then, identify primary keys and foreign keys, and explain how referential integrity will be achieved.

d. Normalize the database tables to third normal form (3NF).

e. Create an Entity-Relationship (E-R) Diagram through the use of graphical tools in Microsoft Visio or an open source alternative such as Dia. Note: The graphically depicted solution is not included in the required page length but must be included in the design document appendix.

f. Explain your rationale behind the design of your E-R Diagram.

g. Create a Data Flow Diagram (DFD) through the use of graphical tools in Microsoft Visio or an open source alternative such as Dia. Note: The graphically depicted solution is not included in the required page length but must be included in the design document appendix.

h. Explain your rationale behind the design of your DFD.

 

 

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